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[½»Á÷] ¡¾ÇóÖú¡¿ kevlar 29 Óë kevlar 49 µÄÇø±ð

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[ Last edited by wellok101 on 2008-5-4 at 13:25 ]
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the modulus increase from Kevlar® 29 toKevlar® 149.The respective moduli, brought by various spinning conditions
and post-treatments performed on para-aramid precursors, are generally
considered as intermediate between those of graphite, boron and glass
fibres.
Type                   Tenacity          Initial         Elongation at         
                   (mN/tex)         modulus         break (%)         
                                     (N/tex)                  
Kevlar® 29       2030             49           3.6         
Kevlar® 49        2080             78           2.4         
Kevlar® 149      1680             115            1.3

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